/* * Copyright (C) 2015-2016 Dimitris Papastamos * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _FORTIFY_SYS_SOCKET_H #define _FORTIFY_SYS_SOCKET_H #ifndef __cplusplus __extension__ #endif #include_next #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 #include "../fortify-headers.h" #ifdef __cplusplus extern "C" { #endif #undef recv #undef recvfrom #undef send #undef sendto _FORTIFY_FN(recv) ssize_t recv(int __f, void *__s, size_t __n, int __fl) { size_t __b = __builtin_object_size(__s, 0); if (__n > __b) __builtin_trap(); return __orig_recv(__f, __s, __n, __fl); } _FORTIFY_FN(recvfrom) ssize_t recvfrom(int __f, void *__s, size_t __n, int __fl, struct sockaddr *__a, socklen_t *__l) { size_t __b = __builtin_object_size(__s, 0); if (__n > __b) __builtin_trap(); return __orig_recvfrom(__f, __s, __n, __fl, __a, __l); } _FORTIFY_FN(send) ssize_t send(int __f, const void *__s, size_t __n, int __fl) { size_t __b = __builtin_object_size(__s, 0); if (__n > __b) __builtin_trap(); return __orig_send(__f, __s, __n, __fl); } _FORTIFY_FN(sendto) ssize_t sendto(int __f, const void *__s, size_t __n, int __fl, const struct sockaddr *__a, socklen_t __l) { size_t __b = __builtin_object_size(__s, 0); if (__n > __b) __builtin_trap(); return __orig_sendto(__f, __s, __n, __fl, __a, __l); } #ifdef __cplusplus } #endif #endif #endif